You can also connect DTE to DTE, as well as DCE to DCE, via null-modem cable. So, analogy with FXO/FSO is not correct.
Sasa Chuck's Long Road wrote: > > Someone smarter than I made the following statements about FXO / FXS, in > order to help me understand real world connectivity. > > That person said to think of FXO / FXS as something analogous to DTE / DCE. > > That is, DTE connects to DCE ( and visa versa ) and that FXO connects to FXS > ( and visa versa ) > > In other words, an analog telephone set is an FXO device, and therefore > plugs into an FXS port. The FXS port provides the signaling to the FXO > device. > > Similarly, a PBX, or a CO switch, for that matter, is an FXS device that > provides signaling, and therefore plugs into an FXO port. > > This seems to fit in with what I know - that you connect a router to a PBX > or to the telco CO switch via an FXO port, and you connect an analogue fax > or telephone into a router FXS port. > > Any comments? Reasonable way to think of things? > > Thanks. > > Chuck Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=54340&t=54331 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]